My system (all 20-30 year old high end gear) has started to have a sound problem. I'm hearing some breakup on peaks and a few Db shift to the right side in balance for the first hour or two of playing. At some point after that, everything suddenly snaps into a proper sound, usually in the middle of a song. I know the problem is either in my preamp or amp. Could it be one of the power supply caps breaking down? Any other ideas?
Thanks! I'm hearing distortion on high level transients, especially mid and high frequencies which disappears after about 1 hour of listening. I've been assuming it takes that long for the caps to recondition (or whatever the term is). Is there a way to measure if the caps are in spec?
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